67672427 has 16 divisors (see below), whose sum is σ = 74390400. Its totient is φ = 61301760.

The previous prime is 67672421. The next prime is 67672439. The reversal of 67672427 is 72427676.

It is a cyclic number.

It is not a de Polignac number, because 67672427 - 2¹⁰ = 67671403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (67672421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54449 + ... + 55677.

It is an arithmetic number, because the mean of its divisors is an integer number (4649400).

Almost surely, 2^67672427 is an apocalyptic number.

67672427 is a deficient number, since it is larger than the sum of its proper divisors (6717973).

67672427 is a wasteful number, since it uses less digits than its factorization.

67672427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its digits is 197568, while the sum is 41.

The square root of 67672427 is about 8226.3252427800. The cubic root of 67672427 is about 407.5090431707.

The spelling of 67672427 in words is "sixty-seven million, six hundred seventy-two thousand, four hundred twenty-seven".